Ex Juris Definition: Latin: outside of the jurisdiction. In law, ex juris means outside of the jurisdiction, usually in terms of a court of law. For example, a corporation created and based in Japan could be said to be ex juris of the Canadian courts.In the formal delivery of court documents, called service, many jurisdictions have spacial rules for serving a person outside of the court's territorial jurisdiction. This rule is called the ex juris service rule. For example, Rule 70 of the 2010 Alberta Rules of Court is called Service ex juris and refers to "service of a ... notice outside Alberta...." Categories & Topics: Civil Litigation & Evidence Law Dictionary Dictionary of Latin Law Terms Find you are constantly looking up definitions? Try our search provider (works in most modern browsers) If you find an error or omission in Duhaime's Legal Dictionary, or if you have legal term suggestion, we'd love to hear from you!